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ID: 4528311 pcs
thumb image of 1.3ct Trillion Facet Sky Blue Topaz (ID: 452831)
1.33 ct Topaz
7.1 x 7.2 mm
$ 9.31
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ID: 4458802 pcs
thumb image of 2.9ct Trillion Facet Swiss Blue Topaz (ID: 445880)
2.94 ct Topaz
7.1 x 7.2 mm
$ 19.20
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ID: 37550810 pcs
thumb image of 3ct Trillion Facet Red Orange Sapphire (ID: 375508)
3.02 ct Sapphire
4.1 x 4 mm
$ 89.69
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ID: 42401410 pcs
thumb image of 5.1ct Trillion Facet Pinkish Rose Rhodolite Garnet (ID: 424014)
5.07 ct Rhodolite Garnet
5.2 x 5.1 mm
$ 40.56
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ID: 4527212 pcs
thumb image of 2.7ct Trillion Facet Sky Blue Topaz (ID: 452721)
2.72 ct Topaz
7.1 x 7 mm
$ 19.04
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ID: 4526982 pcs
thumb image of 2.5ct Trillion Facet Sky Blue Topaz (ID: 452698)
2.54 ct Topaz
7.1 x 7 mm
$ 17.78
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ID: 4376121 pcs
thumb image of 1.5ct Trillion Facet Sky Blue Topaz (ID: 437612)
1.45 ct Topaz
7.1 x 7.1 mm
$ 7.25
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ID: 4178791 pcs
thumb image of 3.9ct Trillion Facet Swiss Blue Topaz (ID: 417879)
3.87 ct Topaz
10 x 9.9 mm
$ 27.09
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ID: 4526992 pcs
thumb image of 2.6ct Trillion Facet Sky Blue Topaz (ID: 452699)
2.61 ct Topaz
7 x 6.9 mm
$ 18.27
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ID: 3752055 pcs
thumb image of 1.4ct Trillion Facet Yellow Golden Sapphire (ID: 375205)
1.36 ct Sapphire
4 x 4 mm
$ 40.39
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ID: 3299715 pcs
thumb image of 1.7ct Trillion Facet Multicolor Sapphire (ID: 329971)
1.66 ct Sapphire
4.1 x 4 mm
$ 81.92
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ID: 4243887 pcs
thumb image of 2.6ct Trillion Facet Pinkish Rose Rhodolite Garnet (ID: 424388)
2.61 ct Rhodolite Garnet
5 x 4.8 mm
$ 20.88
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ID: 4527582 pcs
thumb image of 2.6ct Trillion Facet Sky Blue Topaz (ID: 452758)
2.56 ct Topaz
6.9 x 6.8 mm
$ 17.92
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ID: 4323555 pcs
thumb image of 2.3ct Trillion Facet Pinkish Rose Rhodolite Garnet (ID: 432355)
2.29 ct Rhodolite Garnet
5 x 5 mm
$ 18.32
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ID: 4291606 pcs
thumb image of 2.1ct Trillion Facet Swiss Blue Topaz (ID: 429160)
2.12 ct Topaz
4.2 x 4.2 mm
$ 10.60
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ID: 4175761 pcs
thumb image of 3.6ct Trillion Facet Swiss Blue Topaz (ID: 417576)
3.55 ct Topaz
10 x 9.8 mm
$ 24.85
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ID: 4528661 pcs
thumb image of 1.5ct Trillion Facet Sky Blue Topaz (ID: 452866)
1.51 ct Topaz
7.1 x 7.1 mm
$ 10.57
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ID: 4175491 pcs
thumb image of 4.2ct Trillion Facet Swiss Blue Topaz (ID: 417549)
4.20 ct Topaz
9.9 x 9.9 mm
$ 29.40
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ID: 4140822 pcs
thumb image of 6.2ct Trillion Facet Swiss Blue Topaz (ID: 414082)
6.22 ct Topaz
9.2 x 9.2 mm
$ 43.54
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ID: 4324275 pcs
thumb image of 2.2ct Trillion Facet Pinkish Rose Rhodolite Garnet (ID: 432427)
2.19 ct Rhodolite Garnet
5.1 x 5 mm
$ 17.52
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ID: 4458792 pcs
thumb image of 2.9ct Trillion Facet Swiss Blue Topaz (ID: 445879)
2.89 ct Topaz
7.1 x 7.1 mm
$ 18.87
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Trillion Shaped Gems
When it comes to gemstones, shape and cut are are often used interchangeably. The reason is because the difference between the two isn't always obvious. Shape refers to the overall outline of a stone, while 'cut' refers the actual style, process or technique used to work the rough into finished gemstone pieces. Historically, a trilliant gem exhibits the basic trilliant design, featuring 43 facets cut into a triangular shape gemstone that has been worked into 1:1 ratio and cut with 43 facets. The 43 facets are based on the 'brilliant-cut' in order to maximize 'brilliance'. Like other brilliant cuts, the equilateral form of a well-cut trilliant gem should return a substantial degree of light and color to the eye. The trillion cutting style was originally introduced by the Asscher brothers (Asscher-cut) and was trademarked in 1962 by Henry Meyer Diamond Company of New York. Since the expiration of their 'trillion' patent, the term can be used to refer to all triangular shaped gems, even those which are not faceted.

Many trillions today are step-cut, scissor-cut, plain-cut, mixed-cut with undulating surfaces, and trillion gemstones are even cut en cabochon, featuring a flat bottom with a low or high dome depending on the type of gem. As long as the gemstone has a face-up outline or shape which resembles a triangle, then it can be described as a trillion-shaped gemstone. Gemstones like zircon, spinel, diamond, aquamarine, beryl and white sapphire are often cut as trillions to maximize brilliance, while darker gemstones such as tanzanite, spessartite garnet, rhodolite garnet and amethyst are given a trilliant cut in order to lighten and brighten color (rather than focusing on brilliance). Since most diamond-cut styles are modified for colored stones, many colored stone dealers use alternative terms that refer to shape rather than cut-style.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart